A 77-year-old female is unresponsive, but breathing and with a pulse. On scene, a family member hands you an official document stating that the patient does not want feeding tubes, ventilators, or other long-term life support equipment to keep her alive. There is no mention of whether to administer lifesaving drugs or withhold cardiopulmonary resuscitation. The EMT would recognize this document as a(n):

A) Durable power of attorney
B) Living will document
C) "Do Not Resuscitate" (DNR) order
D) "Involuntary Resuscitation" order

B) Living will document